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Automotive Torque Specifications

 Home Oldsmobile Oldsmobile Full Size 1970-88

Oldsmobile Full Size 1970-88

Delta 88, Royale and Brougham, Custom Cruiser, Ninety-eight Luxury, Regency and Brougham

Engine

Oldsmobile V-8
Component Torque
Cylinder Head Bolts 350 cu. in. ( 1977 and later ) and 403 cu. in. 130 ft. lbs. *
All Others 85 ft. lbs. *
Driveplate Bolts ( Automatic ) 60 ft. lbs.
Exhaust Manifold Bolts 25 ft. lbs.
Flywheel Bolts ( Manual ) 90 ft. lbs.
Intake Manifold Bolts 40 ft. lbs. *
Main Bearing Cap Bolts Rear Main Cap ( #5 ) All 120 ft. lbs.
Caps #1 through #4 ( 455 ) 120 ft. lbs.
Caps #1 through #4 ( All others ) 80 ft. lbs.
Oil Pan Bolts 10 ft. lbs.
Oil Pan Nuts 17 ft. lbs.
Oil Pump Cover Screws 8 ft. lbs.
Rocker Arm Cover Bolts 7 ft. lbs.
Rocker Arm Pivot Bolts 25 ft. lbs.
Rod Bearing Cap Nuts 1970-86 42 ft. lbs.
1987 48 ft. lbs.
1988 Step 1 18 ft. lbs.
Step 2 Note 2
Thermostat Housing-to-Intake Manifold Bolts 20 ft. lbs.
Timing Chain Cover Bolts 35 ft. lbs.
Vibration Damper-to-Crankshaft Bolt 200-310 ft. lbs.
Water Pump-to-Engine Block Bolts 13 ft. lbs.
            Note 1 Lightly oil threads.              
            Note 2 Tighten an additional 70 degrees.              
                             

Fig. 1 Cylinder head bolt torque sequence

Fig. 2 Intake Manifold torque sequence

Fig. 3 Timing mark alignment

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